19219980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:667

約数の個数: 96

約数和(自身を含む): 59467968

約数和(自身を除く): 40247988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 78, 82, 123, 130, 156, 164, 195, 205, 246, 260, 390, 410, 492, 533, 601, 615, 780, 820, 1066, 1202, 1230, 1599, 1803, 2132, 2404, 2460, 2665, 3005, 3198, 3606, 5330, 6010, 6396, 7212, 7813, 7995, 9015, 10660, 12020, 15626, 15990, 18030, 23439, 24641, 31252, 31980, 36060, 39065, 46878, 49282, 73923, 78130, 93756, 98564, 117195, 123205, 147846, 156260, 234390, 246410, 295692, 320333, 369615, 468780, 492820, 640666, 739230, 960999, 1281332, 1478460, 1601665, 1921998, 3203330, 3843996, 4804995, 6406660, 9609990, 19219980]

約数ペア:

[(1, 19219980), (2, 9609990), (3, 6406660), (4, 4804995), (5, 3843996), (6, 3203330), (10, 1921998), (12, 1601665), (13, 1478460), (15, 1281332), (20, 960999), (26, 739230), (30, 640666), (39, 492820), (41, 468780), (52, 369615), (60, 320333), (65, 295692), (78, 246410), (82, 234390), (123, 156260), (130, 147846), (156, 123205), (164, 117195), (195, 98564), (205, 93756), (246, 78130), (260, 73923), (390, 49282), (410, 46878), (492, 39065), (533, 36060), (601, 31980), (615, 31252), (780, 24641), (820, 23439), (1066, 18030), (1202, 15990), (1230, 15626), (1599, 12020), (1803, 10660), (2132, 9015), (2404, 7995), (2460, 7813), (2665, 7212), (3005, 6396), (3198, 6010), (3606, 5330)]