19178996858

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1\times {\mathrm{2221}}^1$

素因数の和:2559

約数の個数: 64

約数和(自身を含む): 34464393216

約数和(自身を除く): 15285396358

約数列:

[1, 2, 7, 14, 31, 62, 101, 197, 202, 217, 394, 434, 707, 1379, 1414, 2221, 2758, 3131, 4442, 6107, 6262, 12214, 15547, 19897, 21917, 31094, 39794, 42749, 43834, 68851, 85498, 137702, 139279, 224321, 278558, 437537, 448642, 481957, 616807, 875074, 963914, 1233614, 1570247, 3062759, 3140494, 4317649, 6125518, 6953951, 8635298, 13563647, 13907902, 27127294, 44191237, 48677657, 88382474, 94945529, 97355314, 189891058, 309338659, 618677318, 1369928347, 2739856694, 9589498429, 19178996858]

約数ペア:

[(1, 19178996858), (2, 9589498429), (7, 2739856694), (14, 1369928347), (31, 618677318), (62, 309338659), (101, 189891058), (197, 97355314), (202, 94945529), (217, 88382474), (394, 48677657), (434, 44191237), (707, 27127294), (1379, 13907902), (1414, 13563647), (2221, 8635298), (2758, 6953951), (3131, 6125518), (4442, 4317649), (6107, 3140494), (6262, 3062759), (12214, 1570247), (15547, 1233614), (19897, 963914), (21917, 875074), (31094, 616807), (39794, 481957), (42749, 448642), (43834, 437537), (68851, 278558), (85498, 224321), (137702, 139279)]