19654830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 55901664

約数和(自身を除く): 36246834

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 107, 117, 130, 157, 195, 214, 234, 314, 321, 390, 471, 535, 585, 642, 785, 942, 963, 1070, 1170, 1391, 1413, 1570, 1605, 1926, 2041, 2355, 2782, 2826, 3210, 4082, 4173, 4710, 4815, 6123, 6955, 7065, 8346, 9630, 10205, 12246, 12519, 13910, 14130, 16799, 18369, 20410, 20865, 25038, 30615, 33598, 36738, 41730, 50397, 61230, 62595, 83995, 91845, 100794, 125190, 151191, 167990, 183690, 218387, 251985, 302382, 436774, 503970, 655161, 755955, 1091935, 1310322, 1511910, 1965483, 2183870, 3275805, 3930966, 6551610, 9827415, 19654830]

約数ペア:

[(1, 19654830), (2, 9827415), (3, 6551610), (5, 3930966), (6, 3275805), (9, 2183870), (10, 1965483), (13, 1511910), (15, 1310322), (18, 1091935), (26, 755955), (30, 655161), (39, 503970), (45, 436774), (65, 302382), (78, 251985), (90, 218387), (107, 183690), (117, 167990), (130, 151191), (157, 125190), (195, 100794), (214, 91845), (234, 83995), (314, 62595), (321, 61230), (390, 50397), (471, 41730), (535, 36738), (585, 33598), (642, 30615), (785, 25038), (942, 20865), (963, 20410), (1070, 18369), (1170, 16799), (1391, 14130), (1413, 13910), (1570, 12519), (1605, 12246), (1926, 10205), (2041, 9630), (2355, 8346), (2782, 7065), (2826, 6955), (3210, 6123), (4082, 4815), (4173, 4710)]