19784130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:659

約数の個数: 64

約数和(自身を含む): 50889600

約数和(自身を除く): 31105470

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 61, 95, 114, 122, 183, 190, 285, 305, 366, 569, 570, 610, 915, 1138, 1159, 1707, 1830, 2318, 2845, 3414, 3477, 5690, 5795, 6954, 8535, 10811, 11590, 17070, 17385, 21622, 32433, 34709, 34770, 54055, 64866, 69418, 104127, 108110, 162165, 173545, 208254, 324330, 347090, 520635, 659471, 1041270, 1318942, 1978413, 3297355, 3956826, 6594710, 9892065, 19784130]

約数ペア:

[(1, 19784130), (2, 9892065), (3, 6594710), (5, 3956826), (6, 3297355), (10, 1978413), (15, 1318942), (19, 1041270), (30, 659471), (38, 520635), (57, 347090), (61, 324330), (95, 208254), (114, 173545), (122, 162165), (183, 108110), (190, 104127), (285, 69418), (305, 64866), (366, 54055), (569, 34770), (570, 34709), (610, 32433), (915, 21622), (1138, 17385), (1159, 17070), (1707, 11590), (1830, 10811), (2318, 8535), (2845, 6954), (3414, 5795), (3477, 5690)]