18899689830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1\times {\mathrm{2131}}^1$

素因数の和:2574

約数の個数: 128

約数和(自身を含む): 52387845120

約数和(自身を除く): 33488155290

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 157, 210, 269, 314, 471, 538, 785, 807, 942, 1099, 1345, 1570, 1614, 1883, 2131, 2198, 2355, 2690, 3297, 3766, 4035, 4262, 4710, 5495, 5649, 6393, 6594, 8070, 9415, 10655, 10990, 11298, 12786, 14917, 16485, 18830, 21310, 28245, 29834, 31965, 32970, 42233, 44751, 56490, 63930, 74585, 84466, 89502, 126699, 149170, 211165, 223755, 253398, 295631, 334567, 422330, 447510, 573239, 591262, 633495, 669134, 886893, 1003701, 1146478, 1266990, 1478155, 1672835, 1719717, 1773786, 2007402, 2341969, 2866195, 2956310, 3345670, 3439434, 4012673, 4434465, 4683938, 5018505, 5732390, 7025907, 8025346, 8598585, 8868930, 10037010, 11709845, 12038019, 14051814, 17197170, 20063365, 23419690, 24076038, 35129535, 40126730, 60190095, 70259070, 89998523, 120380190, 179997046, 269995569, 449992615, 539991138, 629989661, 899985230, 1259979322, 1349977845, 1889968983, 2699955690, 3149948305, 3779937966, 6299896610, 9449844915, 18899689830]

約数ペア:

[(1, 18899689830), (2, 9449844915), (3, 6299896610), (5, 3779937966), (6, 3149948305), (7, 2699955690), (10, 1889968983), (14, 1349977845), (15, 1259979322), (21, 899985230), (30, 629989661), (35, 539991138), (42, 449992615), (70, 269995569), (105, 179997046), (157, 120380190), (210, 89998523), (269, 70259070), (314, 60190095), (471, 40126730), (538, 35129535), (785, 24076038), (807, 23419690), (942, 20063365), (1099, 17197170), (1345, 14051814), (1570, 12038019), (1614, 11709845), (1883, 10037010), (2131, 8868930), (2198, 8598585), (2355, 8025346), (2690, 7025907), (3297, 5732390), (3766, 5018505), (4035, 4683938), (4262, 4434465), (4710, 4012673), (5495, 3439434), (5649, 3345670), (6393, 2956310), (6594, 2866195), (8070, 2341969), (9415, 2007402), (10655, 1773786), (10990, 1719717), (11298, 1672835), (12786, 1478155), (14917, 1266990), (16485, 1146478), (18830, 1003701), (21310, 886893), (28245, 669134), (29834, 633495), (31965, 591262), (32970, 573239), (42233, 447510), (44751, 422330), (56490, 334567), (63930, 295631), (74585, 253398), (84466, 223755), (89502, 211165), (126699, 149170)]